We are shopping for a new roof for our house and have sought bids from various roofing companies. We want to get it done this summer. Most of the estimators mention the option of a ridge vent ...

Q. I just had a new roof installed. I had them remove three roof vents because they installed a ridge vent. A neighbor told me I should block off the gable vents. What do you think? A. I have written ...

Winter comfort problems aren't always caused by insulation or furnaces. A lesser-known attic upgrade plays an important role ...

A. I always turn to Joseph Lstiburek, founding principal of Building Science Corp., for guidance on ventilation and insulation issues. “Doc L.” (he has a doctorate of philosophy in building science) ...